Fastening inserting machine



jan. 8, 1935.. F, c. EASTMAN 1,986,923

FASTENING NSERTING MACHINE Filed June 8, 1932 2 Sheets-Sheet l alank 'N .lll

i :g4 -123 1z3\ y: L 130 jan. 8, w35.. F. c. EASTMAN 1,986,923

FASIEINING INSERTING MACHINE Filed June 8, 1932" 2 Sheets-Sheet 2 d Q mm Patented Jan.`8r, 1935` t t I ly*5*Freio.\itinerari;itranilelieiui, Massigassignorfd f i -UnitedShoe-MachineryCorporatiomlfaterson,"`

17 claims;

n f invention relatesy to. fastening machines andfis illustrated lsrerein:as,511cmbodied` in a mach-ine arrangedto sevenbrelpegs' front to insert :the pegs i a strip of vfibre 4material' 1: and` inthe` sole portions ,of `shoes-g: t t

When inserting fibreV pegs. g to secure ogether parts `of shoe bottoms itfis, oftenipdesirablethat the lengthsof the pegshbeyvariedin accordance with the fthicknessijot `the ,differenti portions of` the shoe bottoms,intoyjwhicli they` are driven;

This gives the pegs maximum holding pcwenrand insures that they` )will :not pullvout-teven from `thin.insoles.;^ `The"heelyseatsi 'ofgufor` example i Goodyear xweltl shoes, iarefxnailedgaor" peggedion 1 the lastand, accordinglyi.itisimpossiblextocalle per thethickness `of the ushoe-bottom-jasemight t be done if the operation-twerefperformedfoil the last..` `It is practicable, howeverj:as,;il1ustrated` in United` States ;Letters yPatent vNoi;.=Ll,847,&'y25, granted March ]f1932;`onz applicationiofal'red c. Eastmantandniniunitedfstatesmettersatnailing, by Whichftheawl mayv` befpermitted to come to rest without injury to `the `machine when the awl meetsexcessiveresistance', foriiexample,v

t When the awlhas passed througliimshoeabottom andstrikes` theiironllieeplate-o;` ajplastontwhich 1n accordancewitu thstfliiject; a feature of the invention comprises; awl reciprocating mechanism includingri-Iuid: means,jillustrated as a hydraulic connection, f serving tof;` transmit 1 `,Work

' penetrating4 movement toqtheiawliand arranged to yield to permity the awlftocometosrestywhen the aWl kmeets excessive .resistanceinvitswwork penetrating movement. 1

While the invention inustratedfern es embodied `in .a fastening inserting machine pair-` ticularly adaptedfto drive brepegslinlsole portions of'zshoes, for examplefin heel seat pegging it should be notedthat the invention isynotY limited nts utilit;7 to such use "or -tozembodimentfin .fastening inserting machines `of thewtypeffillustrated and, accordingly;` the machine `disclosed herein should `be regardedv ast-merelm one. exam?-` rporatio'n of New` Jersey` i 3X2 Seria-w0- @we (Crais-30) y pierof 4h `formswinwhichm'y invention embodiedffg t i "Witlngtheaboveiand other objectsin viewiLthe invention y. Willfnow" be described ,with reference to theY accompanying drawings `and;` pointed 1 gout t 5 Inthe'dra-Wings. Fig-)lds af side elevation of a machine-il1us`f` trating one embodiment" of` the` invention; g L l' maehinecut away toshow the fastening-feedf 111e"mechainsrn;\v t -EFigLfS isv a; vie w;in; front elevation oa prey ferred embodimentof "therawlcontrol mechai is. a side"ielevationtofthe` awllcontrol Figi mechanism;` p t n -theipartsfof thegavvl,"controlmechanism,inv eisg5L l -.Fig.l10 is an enlarged detail view showing the `aWli` at the conclusion o f ilits hole forming` stroke. 3 0 Thegillustrated machine is'` oft the generaltype disclosed injLettersPatent of thellnited `States llo. 1*,0303-75@granted .1une `251912 on anap-` i althoughtorganized to insert pegs severedfrom 3g Athe istrip of` fastening:` material such L paper twine, insteadmf` loosenailsy;` The` machine may i advantageously be` equipped with ay Work` sup- :porti` of i the `character disclosed v" United e States Letters'gPatent `No.` 1,686,808 granted OctciberqSL` 4Q 11928 onen applicationled inthenamesof George .Godduiran-d Fred L. MacKenzie; Reference may behadnjto these patents for; aiull disclosureyof tsuchpaijtsgasvtis unnecess ary` to illustrateherein.

" l":I'II'ieu illustrated Imachneisfprovidedwith a 45 column 10 Vwhich carriesa head; 12 `on `which are r'mou'nted the; fastening inserting instrurnentali` tie's 'off the machine.` j The-column 10 also carries aWorksupport terminatingyini ailastpin 14,` (Figs. n1 and=2) iarranged to supportai-Work piece-such V A50 'a` shoe 16` mounted on a last `1,8 with its sole L T201in engagement `:with i a presser 'plate or abut- ,ment t22igcarried by the headA 12,;ofithe-inachine. e 'll'iexsl'loe ymay 4be positioned `relatively;totthe fastening; inserting l instrumentalitie$ 0f` the i mai Fig. 2 is `a, ,side elevation `with `parts of; he 1o` viw taken lers (2p,

chine byagage 24, which may be of any suitable '.form, also carried by. the head 12 of the machine.

Mounted in suitable bearings carried by the head of the machine is a cam shaft 30vcarrying a cam member 32 provided with a series of cam grooves and surfaces arranged to operate the moving parts -of the machine.

l -cam shaft 30 near the rear endnthereof :isa pulley 36 driven from any suitable source of pcwei'bya belt 37. Slidably mounted on the shaft 30 is a ment into and out or braking relation with a brake surface 46 carried by the head 12 of the y .machine A spring 50 surrounding thes'haft 30 tends to move the clutch member 38 into driving relation with the pulleyr36 but permits the clutch member 38to`be moved :away from'fthepulleyl36 and into engagement with the brake surfce46 by'-power transmitted from-.a cam v52 with 1which the carnfmember,32y is provided, Thetreadlefwd 54-isf depressed by a ispringiy 55 `upon `the release of a treadle connectedto the lower end of the rod 54.k YFor a morecomplete disclosureoffthis mechanisml` A'which forrnsno part of thev present invention reference may behadto'United States Letters Patent'No.1,030;775"referred to above. Thefmachine isprovided with'ay driver bar'60 mounted ,for reciprocating movementin Avertical ways carried by the head 12.ofthe`machine adjacent 4to thefforward end of the 'shaft 30.

Clamped to the lower end of the driver` bar is a' driver Y.62'. fThedr-iver bar 60-is providedt'with a rack 64 meshingwith a gear segment' formed upon" the end of@aforwardlyfextendingarmgof a bell crank lever 68 ,fulcrumedat70--tothe-head 12 4'of the machine andhaving aL-depending' arm carrying at its lower end a .roll positibned ina cam-'track 72 `formed intlielcan'ifmember 32.5

An awllbarcarrier -is'.'mounted fori-'horizontal `sliding-movement inthe front of the machine?,` and mounted v'for 'vertical sliding movement f'ways formedin theawl bar carrier is' anawl-bari82 carryingatits'lowerend an' aw1`l84'. i Therarsurface or the awl bar is provided'with a-raclime'sh- `ing with A"age'ar segment `88-or1ried.upontheforg' wardendofalleveeo fuieruineuatiez tothe head v12= of- 'the'jmachinef and provided f withia pair?. of 'rear'wardly extending arms 94- fand 961- Theavvl `carrier 80 is reciprocated transversely of the machine Jby a `lever l fulcrumed to: the -head1 of the machine and carrying a roll positionedin" a Lcamgroove'forrried the rear-surface of fthe "cani dfis'kl02 'secured-to the?for-wardfend of the shaft' 30. The' arm 9618i :the v`1eve1-9o is yield*- inglynarid adjustablyfA connected tota-'bell crank lever 104 fulerumedat 106to-th`e head"12 `ofy the machine andcarryinga cam rollv positioned a cam track 108 formed'finfthe cam member`l32.

-Thusthe'awlfifl serves-bothfto form fastening'- -receiving holes' alworklpiece presented thereto and vt feed i theworlg" 'piece'toward'and'.E Apast'fthev `driver 62 'constituting ajour-motionr feed. I f

jIn'forder Yto permitfthe awl'l-84 telecine` to lrest willen'ithitsfthe inet'al'bottomplate 110 ofthe last '18" the connection' between'the arm 96"of the l' ylzeverf`90*and the'bell crankflver 104 includes a hydraulic cor'ne'ction"v which is -so arranged that the-connection vmoves la' *unit "until the awl -mee`ts ani*excessiveresistancef y"The connection 'is provided-with a'syste'mfof spring-controlled "valvesg'hereinafter' to `be described, Vwhich permit Loose upon the the arm of the bell crank lever 104 to complete its movement without imparting any further movement to the awl 84.

The hydraulic connection includes a cylinder or sleeve 112 surrounding plunger 114 carried by a U-shaped support 113, the sleeve being carried by a link 115 connected to the bell crank lever 104 byastud 11S-and the plunger -being connected to thearmf96 of the 1ever;90 by,akset screw 118. The upper portion of the link- 115 is slotted, as

1- shown best in Figs. 7 and 8, for the reception of a threaded pin 117 by means of which the plunger 114- is connected to the U-shaped support 113, the pin 117. being-held in position on the U-shaped supportbynuts 1119 Athreaded on each end of the arm "117.11 lWhenjthe forwardly extending arm y of the bell crank lever 104 is moved upwardly the plunger 114" and the sleeve 112 move upwardly as a unitrbut when the awl 84 strikes the bottom plate 110'of the last 18 the sleeve 112 continues its rupward-movement:and the plungerf11`4, which isipositively'connectedtotheawl carrier 80, re# mains stationary; f.At the. .beginning of the relative movement of the plunger2114 and the'sleeve 112 pressure is set up in: avchamber 120'at`f the lower Dlend offtheI sleeve' 11-2; Whenl a predetermined `pressureisfreached orv setup the pressure on theoilor `otlierffluid in the, chamber 120 causes a valve'122'to' be'penedagainst the influence of a'spring 124,*thereby relieving the pressure and permitting the'rparts i'1f12`vand 114' to' move relatively to'e'achfother. The fvalve'122'y is seated in the lowerendof a1passage123'rin the sleeve 112 andis'lheld against-'the seat'by means of a spring 124'.' lvThe-'tensionof the-.spring124 on the valve 122maybe adjusted :bymeans of` a hollow screw 126 into which the upper-fendlof` the spring 124 *isv pivoted. Relativefmovem'entof the sleeve 112 lmits the `valve 132 to open Aagainst the iniiuence of a spring-134,'therebylcausing oilito flow into the-lower end ofy the reservoir 130 `and through a port-"131 into the chamber 120, 'thereby lling the chamber. 120 with `oil when the'sleeve 112 and thevv plunger 114are"returned vto the position shown'invFig-.v7.- l: i1'

l In ordertoiprevent leakage offoilpastthe lower end of the plunger 114, the .-lower. end of the plunger is providedwithpacking `136 which is secured to the Vlower'end of'theplunger by ascrew 138. The f sleeve E 112 is rprovidedzfwith .openings 140./and. 142 "through 4which' the zdevice may be suppliedV lwith `additional-oil 'when' necessary. .Theiopenings and 142 are closed4 by means of 'cap'screws"1441and=146 respectively to prevent loss of oil. -f 1.-

#Since thefvalve.' 122 is provided' with a spring whichm'ay-be adjusted for variouspressures it is evident thatthe-hydraulic connection' can be adjusted so that lthe awl 84 will penetrate a work piece such asashoe bottom and stop when the awl" strikes the metal plate1110=onthe last 18.-

The'ib'reviasteningmaterialv 150 from which .the pegs are formed is carried bysa reel ;152 mountedupona bracket S154v secured to the head jiu i ,excessiveresistance. l i

f a fluidconnection between theplunger and sleeve arranged to. permit relativemovement-*between thefplunger' and sleevewhen the; awl meets an f excessivefresistance. f

5. Infa fastening inserting `machine,r the-ccmbinationjofr means I for forming fastening receiving holes in a workpiece presentedthereto, means for-reciprocating the,v hole forming means includinga hydraulic'member arrangedzto-permit the hole forming meansfto penetratethe work piece but 'arranged toremain stationaryv relatively tozthe work whenthe hole forming means meets an excessive resistance,'and means for inserting fastenings in said holes.

6."In 'a fastening inserting` machine,V anr .awl carrier, an awl carriedthereby, and/means forrecipr'ocating the awl carrier thereby thrusting the awlinto a workpiece presented thereto and; inclu'ding fa fluid connectionservingf. to'transmit reciprocating movement to thev awl lcarrier,..saicl connection being constructed to move asa unit during-the work penetrating movement; of the awl but arranged to. yield when the awl meets' an Y"1'. -In'a fastening Ainserting machine, thecombination of an awl, `means `for operating the 'awl to form Vfastening receiving holes 4"in a workpiece i presentedtheretoincluding a hydraulic connecztionmovable as afunit to transmitiwork 'penetrating movementto'fthe---awlI andvarranged to 'yield when the awl-meets an excessive resistance infits workpenetratingmovement, a driver, and means for operating the driver -to drive -astenings into the holes formed bythe awl.v

"91.8. In a fastening inserting machine, the com-A binationof an awl? carrier, an awl carried thereby', means for reciprocating the awl carrier including a fluid connected sleeve and plunger movable'as a unit to transmit*reciprocating;motion tothe awl carrier and arranged to maintain the plunger stationary when the awl `meets an' eX- teningsinthe,holesrformed by the awl."

f 9. In a fastening'inserting machine, the coinbination of an awl carrier, an awlcarried thereby, a plunger secured to the avvl'carrier,` asleeve surrounding said plunger, means'fconnected `to the sleeve for vrtransmitting reciprocating'move- 'cessive resistance," and means for 'insertingfasvrnent tothe awl carrier,-fluid connections betweenV said `plunger and sleeve constructed and arranged to'cause the plunger and sleeve to move as a unit when the awl is reciprocated to penetrate the work butfarranged to permit the plunger and sleeve 'to move relatively to each-other when the awl meets'anexce'ssiveresistance, and

means for insertingl fastenings in therfastening` receiving holes formed bythe awl.`- y

" 910; Ina fasteningin'sert'ing machine, Athe'combination of an awl carrier, an awl carried thereby, a `pliinger secured Yto the awl carrier, a 'sleeve connected vto `the *plungenmean's connected to the sleeve for transmitting reciprocating movement totheawl carrier, -Vhydraulicvconnections betweenV said plunger 'andsleeve' constructed and sleeve.

arranged .to'c'ause the plunger andi-,sleeve tomove as a unit Whenthe awl isreciprocated -to penetrate the work but arranged ,to permit the plunger and sleeve to move relatively toeach other when the awl meets 'an excessive resistance, ay driver, means for operating the f driver i to insert fastenings in the holes formed by the awl,.and means for presenting to the driverjfastenings of a length corresponding to the depth of; the respective holes formed bythe awl. l i r s 1l. In a fastening insertingmachine, .the combination of anawl, and meansl for` operating the awl to form fastening,rec'eivingholes in a work. piece presented thereto, said meansv including a hydraulically-connected plunger and sleeve constructed and arranged to .movesas a unit during the workpenetrating. movement" of theawl but constructed'and arranged tomove. relatively to each other ,when the'awl meetsan excessive resistanceinits work penetrating movement. v y"12. vIn a'fastening inserting machine, thecombinationaof anlawl, .power operatedmeans' for operating theawl to forrnfastening `receiving holes in a workpiecer presented'` thereto; said means including a plunger connected to thelawl,

a isleeve connected -to the power. .operated-means of the machine,.` and valves ,constructed and arranged to cause the sleeve and plunger, to move as a unit 'when the awl is penetrating the work f bination'of an-awl, powerj operated means for operating theravvll to form 'fastening receiving holes in a work piece presented theretsaid meansincludi'ng a 'plunger connected to the awl, a sleeve connected toV the powerv operatedmeans, and a valve constructedand arranged. to remain closed to cause thesleeve and plunger to move as a unit when the awllis'penetratir'ig theworlr but arranged to open when the awl strikes anexcessive resistance to permit uid containedrin .the sleeve to be passed out ofthesleeve thereby .permitting relativeY movement between the plunger and the l5.` In va fastening inser'tingmachine, the combination of an awl, power operated means'for operating the yawl to form fastening receiving holes 'in a work piece presented thereto', said means including a plunger connected to the awl,

a'sleeve 'connected to'the power operated means,

a'ValVe and a` spring for Anormally closing said valve to cause the sleeve andplungerto move as a unit when the awl is penetrating the work but varranged to yield when-.the .awllfstrikes an excessiveresistance toV open the valve, thu's permitting u'id contained inthe sleeve to bepassed out of the sleeve thereby permitting relative movement between the plunger and the sleeve.v 'f

16. Ina fastening inserting machine, the combination cf an awl, powerfoperated means for operatingthe awl" toform fastening receiving holes in a-work Vpiece'presented thereto, said ans including a plunger connected to the awl,k a sleeve connected to thelpower operated'means,

\ 1 rgates ina work piece, an operating member for said t f and a valve constructed andarranged to remain `closed to cause the sleeve and plungerv to `move asa unit when the awl is'penetrating the work but arranged to open when the awl strikes anLe'x-` cessive resistance to `permit iluid contained in the sleeve to be passed out of the sleeve, thereby per- 4mitting relative movement between the plunger and the sleeve, and a second Valve constructed l and arranged to remain closed duringthe work penetrating movement of the awl but arranged` to open when the awl is withdrawn from thevwork to permit the fluid to pass into the'sleeve.

1'?.` Ina fastening inserting machine, `a reciprocatory awl for forming fasteningreceiving holesawl, a cao-operating plunger and sleeve connecting f the awl andthe member, a by-pass about the plunger, a valve in the by-pass constructed and arranged to remain closed to cause the sleeve and the plunger to move as a unit when the awl is t penetrating the work but arranged to open when the awl strikes excessive resistance to permit uid contained in the sleeve to pass from the sleeve, and al secondvalve in said by-passcon- StruQted'and arranged to remain closed during sleeve.

FRED C. EASTMAN.` 

